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Escherichia coli and Vibrio cholerae are ________________

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Escherichia coli and Vibrio cholerae are ________________

(a) lophotrichous; monotrichous

(b) amphitrichous; lophotrichous

(c) peritrichous; monotrichous

(d) peritrichous; amphitrichous

This question was addressed to me during an interview.

I'd like to ask this question from Two Fundamentally Different Classes of Cells in section Introduction to Cell of Cell Biology

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The correct option is (c) peritrichous; monotrichous

The best I can explain: Monotrichous bacteria have single flagellum (eg. Vibrio cholerae). Lophotrichous bacteria have multiple flagella in same spot which helps in unidirectional movement. Peritrichous bacteria (eg. E.coli) has flagella projecting in all directions. Amphitrichous bacteria have single flagellum on opposite ends.

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